I'll Never Set Foot in That House Again! Volume 7

Having thwarted the plans of the false Proxy’s worshippers in the capital, Chelsea is stumped when Glen asks her to create a seed accessory just for him. She barely has time to consider his request before being sent on her first inspection mission as a researcher for the Royal Research Institute. Her destination: the Karya Megaflora Cluster, a region in the Bazrack Duchy where mana-rich soil causes the plants to grow to enormous sizes. Accompanied by Glen and her older brother Marx, Chelsea travels to the site, hoping to find inspiration for new seed creations. There, she encounters the Nox tribe, who ask for her help with a dire food shortage...

[From J-Novel Club]